FSTBOSM1 Schottky Power Surface Mount | [=e TS 7] HL al i 1,2 ~ 3 Lo C | | TT doh Common Cathode M srs aq wt 2H [ SM3 & SM4 6 + pettaala= , FA 1 2 3 i A=Common Anode SM1_& SM2 rie ine, oe PT Tee ur TH SM5 & SM6 1 2 3 D=Doubler TYP. PIN CONFIGURATION FOR SM1, SMS, & SMS5. FOR SM2. SM4, & SM6. Note: Baseplate Common with Pin 2 Dim. Inches Millimeter Minimum Maximum Minimum Maximum Notes Ai 1.490 A2 1.020 A3 .695 -110 -027 -100 .350 .015 -695 -088 -240 1.180 -2350 .065 151 ZETrFACTOATMNMIOD 1.510 1.040 715 120 -037 110 .370 -025 715 .098 -260 1.195 .250 -085 -161 37.85 26.12 17.65 2.79 0.69 2.54 8.89 0.38 17.65 2.24 6.10 29.97 5.84 1.65 3.84 38.35 26.42 18.16 3.04 0.94 2.79 9.40 0.64 18.16 2.49 6.60 30.35 6.35 2.16 4.09 Dia. Microsemi Catalog Industry Working Peak Repetitive Peak Catalog Number Part Number Reverse Voltage Reverse Voltage FST8035SM \ 81CNQO35ASL 35V 35V Schottky Barrier Rectifier 81CNQO035ASM @ Guard Ring Protection FST8040SM _ _ 81CNQO40ASL 40V 40V @ 2 X 40 Amperes Avg. 81CNQO040ASM 175C Junction T t FST8045SM _ _ - 81CNQO45ASL 45V 45V unetton Temperature 81CNQ045ASM @ Reverse Energy Tested FST8050SM _ _ 50V 50V V, @VYRRM 35 to 50 Volts Note: (1) Specify (1-6) to identify package desired @ Specify CCommon Cathode, ACommon Anode, DDoubler Electrical Average forward current per pkg Average forward current per leg Maximum surge current per leg Characteristics |F(AV) 80 Amps TC = 145C, Square wave, R6UC = 0.5C/W lF(AV) 40 Amps TC = 145C, Square wave, Reuc = 1.0C/w IFSM 800 Amps 8.3 ms, half sine, Tu = 175C Max repetitive peak reverse current per leg IR(OV) 2 Amps f = 1 KHZ, 25C, 1 usec square wave Max peak forward voltage per leg VEM 0.49 volts |FM = 40A: Ty = 175C* Max peak forward voltage per leg VFM 0.68 volts [FM = 40A: Ty = 25C* Max peak reverse current per leg IRM 50 mA VRRM, Tc = 125C* Max peak reverse current per leg IRM 2.0 mA VRRM, Ty = 25C Typical junction capacitance per leg Cy 1900 pF VR = 5.0V, TC = 25C *Pulse test: Pulse width 300 usec, Duty cycle 2% Thermal and Mechanical Characteristics Storage temp range TSTG Operating junction temp range Ty Max thermal resistance per leg Re@JC Max thermal resistance per pkg. R@uC Typical thermal resistance (greased) Recs Mounting Base Torque Weight 55C to 175C 55C to 175C 1.0C/W Junction to case 0.5C/W Junction to case 0.5C/W Case to sink 10 inch pounds maximum (SM1, 2) SM12 0.3 ounce (8.4 grams) typical SM34 0.24 ounce (6.7 grams) typical SM5-6 0.18 ounce (5.2 grams) typical COLORADO Microsem 800 Hoyt Street 5 Broomfield, CO. 80020 PH: (303) 469-2161 FAX: (303) 466-3775 7-10-02 Rev. IR www.microsemi.comFSTSOSMT1 Figure 1 Typical Forward Characteristics Per Leg 1000 800 600 400 200 100 80 60 40 Instantaneous Forward Current Amperes 1.0 0 02 04 O06 O08 1.0 1.2 Instantaneous Forward Voltage Volts Figure 2 Typical Reverse Characteristics Per Leg 1000 S = 2 oO = Oo 75C 2 a 25C 0 10 20 30 40 Reverse Voltage Volts Typical Reverse Current mAmpere oO 2 1.4 50 ~ Figure 3 Typical Junction Capacitance Per Leg 10000 6000 4000 SOSME 2000 1000 600 400 200 Junction Capacitance pF 100 0.1 0.5 1.0 5.0 10 50 100 Reverse Voltage Volts Figure 4 Forward Current Derating Per Leg & 180 = ~ Oo / HH ,-~~_| SNE PA | y, I = ~ oO = W Oo = N oO Maximum Allowable Case Temperature 60} 90 i20P = fl80} DC = = oO 0 05 10 15 20 25 30 35 40 45 50 Average Forward Current Amperes Figure 5 Maximum Forward Power Dissipation Per Leg g 35 = * 30 ne 6 25 4 = 130|7 2 4 ot LA 3 9 a. VAL g VA 2 10 BEA E E 5.0 ZA 5 = 0 0 50 10 15 20 25 30 35 40 45 50 Average Forward Current Amperes 7-10-02 Rev. IR